🌐EnglishEnglishDeutschEspañolРусский中文EntityQ379834· pop 8· linked from 65 articlesSK-42 reference systemgeodetic reference ellipsoidAvailable in 8 languagesEspañolDeutsch中文РусскийCzechEstonianUkrainianvia Wikidata sitelinks · CC0ConnectionsRussianEntitySoviet UnionConceptCategoriesGeodesyGeographic coordinate systemsGeography of the Soviet UnionNavigationScience and technology in the Soviet UnionSurveying